<template>
  <div v-if="isAuth(['ROOT', 'ROLE:SELECT'])">
    <el-form :inline="true" :model="dataForm" :rules="dataRule" ref="dataForm">
      <el-form-item prop="roleName">
        <el-input
          v-model="dataForm.roleName"
          placeholder="角色名称"
          size="medium"
          class="input"
          clearable="clearable"
        />
      </el-form-item>
      <el-form-item>
        <el-button size="medium" type="primary" @click="searchHandle()"
          >查询</el-button
        >
        <el-button
          size="medium"
          type="primary"
          :disabled="!isAuth(['ROOT', 'ROLE:INSERT'])"
          @click="addHandle()"
        >
          新增
        </el-button>
        <el-button
          size="medium"
          type="danger"
          :disabled="!isAuth(['ROOT', 'ROLE:DELETE'])"
          @click="deleteHandle()"
        >
          批量删除
        </el-button>
      </el-form-item>
    </el-form>
    <el-table
      :data="dataList"
      border
      v-loading="dataListLoading"
      @selection-change="selectionChangeHandle"
      cell-style="padding: 4px 0"
      style="width: 100%"
      size="medium"
    >
      <el-table-column
        type="selection"
        :selectable="selectable"
        header-align="center"
        align="center"
        width="50"
      />
      <el-table-column
        type="index"
        header-align="center"
        align="center"
        width="100"
        label="序号"
      >
        <template #default="scope">
          <span>{{ (pageIndex - 1) * pageSize + scope.$index + 1 }}</span>
        </template>
      </el-table-column>
      <el-table-column
        prop="roleName"
        header-align="center"
        align="center"
        label="角色名称"
        min-width="180"
      />
      <el-table-column
        header-align="center"
        align="center"
        label="权限数量"
        min-width="140"
      >
        <template #default="scope">
          <span>{{ scope.row.permissions }}个</span>
        </template>
      </el-table-column>
      <el-table-column
        prop="users"
        header-align="center"
        align="center"
        label="关联用户"
        min-width="140"
      >
        <template #default="scope">
          <span>{{ scope.row.users }}人</span>
        </template>
      </el-table-column>
      <el-table-column
        prop="desc"
        header-align="center"
        align="center"
        label="备注"
        min-width="450"
      />
      <el-table-column
        prop="systemic"
        header-align="center"
        align="center"
        label="内置角色"
        min-width="100"
      >
        <template #default="scope">
          <span>{{ scope.row.systemic ? "是" : "否" }}</span>
        </template>
      </el-table-column>
      <el-table-column
        header-align="center"
        align="center"
        width="150"
        label="操作"
      >
        <template #default="scope">
          <el-button
            type="text"
            size="medium"
            :disabled="!isAuth(['ROOT', 'ROLE:UPDATE']) || scope.row.id == 0"
            @click="updateHandle(scope.row.id, scope.row.systemic)"
          >
            修改
          </el-button>
          <el-button
            type="text"
            size="medium"
            :disabled="
              !isAuth(['ROOT', 'ROLE:DELETE']) ||
              scope.row.systemic ||
              scope.row.users > 0
            "
            @click="deleteHandle(scope.row.id)"
          >
            删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>
    <el-pagination
      @size-change="sizeChangeHandle"
      @current-change="currentChangeHandle"
      :current-page="pageIndex"
      :page-sizes="[10, 20, 50]"
      :page-size="pageSize"
      :total="totalCount"
      layout="total, sizes, prev, pager, next, jumper"
    ></el-pagination>
    <add-or-update
      v-if="addOrUpdateVisible"
      ref="addOrUpdate"
      @refreshDataList="loadDataList"
    ></add-or-update>
  </div>
</template>

<script>
import AddOrUpdate from "./role-add-or-update.vue";
export default {
  components: {
    AddOrUpdate,
  },
  data: function () {
    return {
      dataForm: {
        roleName: null,
      },
      dataList: [],
      pageIndex: 1,
      pageSize: 10,
      totalCount: 0,
      dataListLoading: false,
      dataListSelections: [],
      addOrUpdateVisible: false,
      dataRule: {
        roleName: [
          {
            required: false,
            pattern: "^[a-zA-Z0-9\u4e00-\u9fa5]{1,10}$",
            message: "角色格式错误",
          },
        ],
      },
    };
  },
  methods: {
    selectionChangeHandle: function (val) {
      this.dataListSelections = val;
    },
    selectable: function (row, index) {
      if (row.systemic || row.users > 0) {
        return false;
      }
      return true;
    },
    sizeChangeHandle: function (val) {
      this.pageSize = val;
      this.pageIndex = 1;
      this.loadDataList();
    },
    currentChangeHandle: function (val) {
      this.pageIndex = val;
      this.loadDataList();
    },
    loadDataList: function () {
      let that = this;
      that.dataListLoading = true;
      let data = {
        roleName: that.dataForm.roleName,
        page: that.pageIndex,
        length: that.pageSize,
      };
      that.$http("role/searchRoleByPage", "POST", data, true, function (resp) {
        let page = resp.page;
        that.dataList = page.list;
        that.totalCount = page.totalCount;
        that.dataListLoading = false;
      });
    },
    searchHandle: function () {
      this.$refs["dataForm"].validate((valid) => {
        if (valid) {
          this.$refs["dataForm"].clearValidate();
          if (this.dataForm.roleName == "") {
            this.dataForm.roleName = null;
          }
          if (this.pageIndex != 1) {
            this.pageIndex = 1;
          }
          this.loadDataList();
        } else {
          return false;
        }
      });
    },
    dataFormSubmit: function () {
      let that = this;
      this.$refs["dataForm"].validate((valid) => {
        if (valid) {
          //因为用户是随机选择权限，所以对选中的权限排序
          that.dataForm.permissions.sort(function (a, b) {
            return a - b;
          });
          //判断用户选择的权限和原来的权限是否一致？把数组转换成字符串，简化比较两个数组是否一致
          if (that.dataForm.permissions.join() != that.oldPermissions.join()) {
            that.dataForm.changed = true;
          } else {
            that.dataForm.changed = false;
          }
          that.$http(
            `role/${!that.dataForm.id ? "insert" : "update"}`,
            "POST",
            that.dataForm,
            true,
            function (resp) {
              if (resp.rows == 1) {
                that.$message({
                  message: "操作成功",
                  type: "success",
                  duration: 1200,
                });
                that.visible = false;
                that.$emit("refreshDataList");
              } else {
                that.$message({
                  message: "操作失败",
                  type: "error",
                  duration: 1200,
                });
              }
            }
          );
        }
      });
    },
    addHandle: function () {
      this.addOrUpdateVisible = true;
      this.$nextTick(() => {
        this.$refs.addOrUpdate.init();
        // 清空表单 发送请求 获取表单项的部分选择数据.
      });
    },
    updateHandle: function (id, systemic) {
      this.addOrUpdateVisible = true;
      this.$nextTick(() => {
        this.$refs.addOrUpdate.init(id, systemic);
      });
    },
    deleteHandle: function (id) {
      let that = this;
      let ids = id
        ? [id]
        : that.dataListSelections.map((item) => {
            return item.id;
          });
      if (ids.length == 0) {
        that.$message({
          message: "没有选中记录",
          type: "warning",
          duration: 1200,
        });
      } else {
        that
          .$confirm(`确定要删除选中的记录？`, "提示", {
            confirmButtonText: "确定",
            cancelButtonText: "取消",
            type: "warning",
          })
          .then(() => {
            that.$http(
              "role/deleteRoleByIds",
              "POST",
              { ids: ids },
              true,
              function (resp) {
                if (resp.rows > 0) {
                  that.$message({
                    message: "操作成功",
                    type: "success",
                    duration: 1200,
                  });
                  that.loadDataList();
                } else {
                  that.$message({
                    message: "未能删除记录",
                    type: "warning",
                    duration: 1200,
                  });
                }
              }
            );
          });
      }
    },
  },
  created: function () {
    this.loadDataList();
  },
};
</script>

<style></style>
